The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 1998
Filed:
May. 04, 1995
Applicant:
Inventor:
Calvin E Phelps, Akron, OH (US);
Assignee:
The Babcock & Wilcox Company, New Orleans, LA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F22B / ;
U.S. Cl.
CPC ...
122 / ; 12223512 ; 12223511 ; 12223522 ; 12223523 ; 122510 ;
Abstract
Pendant convection pass tube circuitry of once through steam generator have their floor and floor support tubes enlarged by a swage coupling and connected to enlarged sidewall tubes supported from steel boiler top supports to provide a more flexible circuitry operating at decreased temperatures and pressure losses.